Malicious PDF — malware analysis report

Static analysis result for SHA-256 134a9448e7ff2d2d…

MALICIOUS

PDF

19.1 KB Created: 2020-03-16 04:14:42 +00:00 Authoring application: mPDF 5.7
MD5: 0bf05bfcf9fccab113bdb84d97425c2e SHA-1: 2a67f2edab377c93ebfbf1c60e0d440d742d03bf SHA-256: 134a9448e7ff2d2d1de3385d0d7e319946e4859a158c8a6a360ecfe8ee8a49ee
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external resources, indicative of a link farm or SEO manipulation tactic. The ML classifier also flagged this document as malicious. While no scripts were explicitly extracted, the presence of embedded links suggests an attempt to redirect the user to malicious sites, potentially for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://ieuicufioao.myhome.cx/9554559556557557/Schuldig-mijn-verhaal-over-de-Deventer-moordzaak-by-Ernest-Louwes.pdf
    • http://ieuicufioao.myhome.cx/3551558555558551/Mijn-man-en-mijn-minnaars-by-Robin-Rinaldi.pdf
    • http://ieuicufioao.myhome.cx/1551551554556557555/de-Jehova-s-Getuigen-Aangeklaagd-Een-Onthullend-Verhaal-by-A-P-Wisse.pdf
    • http://ieuicufioao.myhome.cx/1551553557550556558/Zout-in-je-haar-het-ware-verhaal-van-Charlotte-Doyle-by-Avi.pdf
    • http://ieuicufioao.myhome.cx/9554559556557556/Schuldig-by-Manuela-Mendez.pdf
    • http://ieuicufioao.myhome.cx/9554559557553556/Als-ik-nee-zeg-voel-ik-me-schuldig-by-Manuel-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/9554559556558555/Schuldig-Alpentr-ume-by-Stefanie-Rosen.pdf
    • http://ieuicufioao.myhome.cx/9554559555550558/Schuldig-in-eigen-ogen-by-Agatha-Christie.pdf
    • http://ieuicufioao.myhome.cx/9554559556558552/Schuldig-Krimireihe-Hartmann-by-Jens-R-Willmann.pdf
    • http://ieuicufioao.myhome.cx/2555555558558552/Notities-aangaande-het-Beste-Dorp-in-Holland-een-verhaal-over-De-Rijp-by-Herman-Meddens.pdf
    • http://ieuicufioao.myhome.cx/6551559559550551/A-Farewell-to-Arms-The-Complete-Works-of-Ernest-Hemingway-Volume-3-of-21-by-Ernest-Hemingway.pdf
    • http://ieuicufioao.myhome.cx/9551554555554559/De-Twitter-Story---Het-waargebeurde-verhaal-over-macht-geld-vriendschap--en-verraad-by-Nick-Bilton.pdf
    • http://ieuicufioao.myhome.cx/8556551550552559/Flut-Mijn-Boek-in-de-Put-by-Eva-De-Wilde.pdf
    • http://ieuicufioao.myhome.cx/1550551550550552551/Met-mijn-vader-in-bed-by-Magne-van-den-Berg.pdf
    • http://ieuicufioao.myhome.cx/6551559558557559/The-Sun-Also-Rises-The-Complete-Works-of-Ernest-Hemingway-Volume-2-of-21-by-Ernest-Hemingway.pdf
    • http://ieuicufioao.myhome.cx/7553556558551554/The-Letters-of-Ernest-Hemingway-Volume-2-1923-1925-by-Ernest-Hemingway.pdf
    • http://ieuicufioao.myhome.cx/9558552555552558/Tranen-in-mijn-koffie-by-Judith-Stoker.pdf
    • http://ieuicufioao.myhome.cx/8557558552552559/Mijn-bodyguard-by-Jodi-Ellen-Malpas.pdf
    • http://ieuicufioao.myhome.cx/9554559558556556/Niet-Schuldig-Meer-Geloof-je-Gods-Woord-of-de-aanklager-by-Clara-van-Dijk.pdf
    • http://ieuicufioao.myhome.cx/9554559558550552/Von-weltlicher-Obrigkeit-Vollst-ndige-Ausgabe-Wie-weit-man-ihr-Gehorsam-schuldig-sei-by-Martin-Luther.pdf

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